Finding the Fourth Proportional to 6,242,872.74, 8,615,863.77 and 3,526,793.70
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Solution
The fourth proportional to 6,242,872.74, 8,615,863.77 and 3,526,793.70 is: 4,867,370.41
Step by Step Solution
- Step 1: Write the proportion equation
6,242,872.74 : 8,615,863.77 = 3,526,793.70 : x - Step 2: Convert to fraction form
6,242,872.74/8,615,863.77 = 3,526,793.70/x - Step 3: Cross multiply
6,242,872.74x = 8,615,863.77 × 3,526,793.70 - Step 4: Simplify right side
6,242,872.74x = 30,386,374,064,094.25 - Step 5: Solve for x
x = 30,386,374,064,094.25/6,242,872.74 - Step 6: Final answer
x = 4,867,370.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.